In a recent Pew poll, 50% of adults said that they play video games. Assume that 9
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In a recent Pew poll, 50% of adults said that they play video games. Assume that 9 adults are randomly sampled.
a. Use the binomial probability distribution to compute the probability that exactly four of them play video games.
b. Use Table A.1 to find the probability that fewer than three of them play video games.
c. Use any valid method to find the probability that more than three of them play video games.
d. Use any valid method to find the probability that the number who play video games is between 4 and 6 inclusive.
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